Acids [Chemical/Ingredient] Acids M0000220 D000143 230 C0001128 C25612 Chemical compounds which yield hydrogen ions or protons when dissolved in water, whose hydrogen can be replaced by metals or basic radicals, or which react with bases to form salts and water (neutralization). An extension of the term includes substances dissolved in media other than water. (Grant & Hackh's Chemical Dictionary, 5th ed) Acids N0000007626 Inorganic Chemicals [Chemical/Ingredient]